Clean Coal Technology development in China
Coal fired boiler and power plant boiler
The United States has invested over $ 100 billion research and development of modern clean coal technology, greatly reducing emissions of sulfur dioxide, nitrogen oxides and mercury and other major pollutants when fired.
According to China's Ministry of Statistics, in 2012 4.1 million tons of soot emissions from coal-fired boilers, 5.7 million tons of sulfur dioxide, nitrogen oxides, 2 million tons, accounting for 32% of the soot emissions, respectively, 26% and nitrogen oxide emissions of sulfur dioxide emissions about 15%.
Compared with utility boilers(power plant boiler), industrial boilers impact on the atmospheric environment has two distinct characteristics: First, quantity, distribution of scattered, difficult to control; Second, low-emissions, urban atmospheric environment impact. China Central Division vice president of firewood on-site meeting that the CDCC.
Statistics show that emissions from utility boilers(power plant boiler) located at a height of about 240 meters, can take advantage of self-purification capacity of the upper atmosphere to reduce their emissions of soot impact on air quality, and emissions from coal-fired boiler at low altitudes, usually four meters, Therefore, much higher than the amount of power station boiler emissions per unit area of pollution, combined with coal-fired boiler control technology is not very good, so a greater impact on the environment caused by air quality. Therefore, the strengthening of coal-fired boiler air pollution control is imperative.
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